Adding upstream version 4:24.2.0.upstream/4%24.2.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 91 insertions, 0 deletions

diff --git a/include/basegfx/raster/bzpixelraster.hxx b/include/basegfx/raster/bzpixelraster.hxx
new file mode 100644
index 0000000000..52ebc3c6ec
--- /dev/null
+++ b/include/basegfx/raster/bzpixelraster.hxx
@@ -0,0 +1,91 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <basegfx/pixel/bpixel.hxx>
+#include <sal/types.h>
+#include <memory>
+#include <cassert>
+#include <string.h>
+
+namespace basegfx
+{
+    class BZPixelRaster
+    {
+    private:
+        BZPixelRaster(const BZPixelRaster&) = delete;
+        BZPixelRaster& operator=(const BZPixelRaster&) = delete;
+
+        sal_uInt32                  mnWidth;
+        sal_uInt32                  mnHeight;
+        sal_uInt32                  mnCount;
+        std::unique_ptr<BPixel[]>   mpContent;
+        std::unique_ptr<sal_uInt16[]>  mpZBuffer;
+
+    public:
+        // constructor/destructor
+        BZPixelRaster(sal_uInt32 nWidth, sal_uInt32 nHeight)
+        :   mnWidth(nWidth),
+            mnHeight(nHeight),
+            mnCount(nWidth * nHeight),
+            mpContent(new BPixel[mnCount]),
+            mpZBuffer(new sal_uInt16[mnCount])
+        {
+            memset(mpZBuffer.get(), 0, sizeof(sal_uInt16) * mnCount);
+        }
+
+         // coordinate calcs between X/Y and span
+        sal_uInt32 getIndexFromXY(sal_uInt32 nX, sal_uInt32 nY) const { return (nX + (nY * mnWidth)); }
+
+        // data access read
+        sal_uInt32 getWidth() const { return mnWidth; }
+        sal_uInt32 getHeight() const { return mnHeight; }
+
+         // data access read only
+        const BPixel& getBPixel(sal_uInt32 nIndex) const
+        {
+            assert(nIndex < mnCount && "Access out of range");
+            return mpContent[nIndex];
+        }
+
+        // data access read/write
+        BPixel& getBPixel(sal_uInt32 nIndex)
+        {
+            assert(nIndex < mnCount && "Access out of range");
+            return mpContent[nIndex];
+        }
+
+        // data access read only
+        const sal_uInt16& getZ(sal_uInt32 nIndex) const
+        {
+            assert(nIndex < mnCount && "Access out of range");
+            return mpZBuffer[nIndex];
+        }
+
+        // data access read/write
+        sal_uInt16& getZ(sal_uInt32 nIndex)
+        {
+            assert(nIndex < mnCount && "Access out of range");
+            return mpZBuffer[nIndex];
+        }
+    };
+} // end of namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */